Home / 27,325.09-37,708.76-15,388.63

Finding the Fourth Proportional to 27,325.09, 37,708.76 and 15,388.63

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Solution

The fourth proportional to 27,325.09, 37,708.76 and 15,388.63 is: 21,236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,325.09 : 37,708.76 = 15,388.63 : x
  2. Step 2: Convert to fraction form
    27,325.09/37,708.76 = 15,388.63/x
  3. Step 3: Cross multiply
    27,325.09x = 37,708.76 × 15,388.63
  4. Step 4: Simplify right side
    27,325.09x = 580,286,155.40
  5. Step 5: Solve for x
    x = 580,286,155.40/27,325.09
  6. Step 6: Final answer
    x = 21,236.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.